<?php
	include "conexion_bd.php";
	$mysqli->set_charset("utf8");
	$r = $mysqli->query("SELECT id,nombre FROM centro_de_investigacion ORDER BY nombre;");
	echo '<option value ="DPTO"></option>';
	while ($fila = $r->fetch_assoc())
	{
		echo '<option value ="'.$fila["id"].'">'.$fila["nombre"].'</option>';
	}
?>